Home / 127,825.87-176,391.76-70,462.21

Finding the Fourth Proportional to 127,825.87, 176,391.76 and 70,462.21

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Solution

The fourth proportional to 127,825.87, 176,391.76 and 70,462.21 is: 97,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,825.87 : 176,391.76 = 70,462.21 : x
  2. Step 2: Convert to fraction form
    127,825.87/176,391.76 = 70,462.21/x
  3. Step 3: Cross multiply
    127,825.87x = 176,391.76 × 70,462.21
  4. Step 4: Simplify right side
    127,825.87x = 12,428,953,235.39
  5. Step 5: Solve for x
    x = 12,428,953,235.39/127,825.87
  6. Step 6: Final answer
    x = 97,233.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.